第三人称复数：ballpoints
名词（笔的）圆珠笔
1. 圆珠笔：本季的边车系列书写工具新增了双色签字笔(Bi-ColourRollerball)和圆珠笔(BallPoint). 采用镀钯表面结合精细金质修饰,极富吸引力;而边车家族的纤细书写笔版本则增添了采用钻石切割镀钯及抛光黑色漆面笔管的设计,镀钯笔帽上镌刻有竖形条纹,
2. 滚珠支枢：ballplug 球形塞 | ballpoint 滚珠支枢 | ballpointpen 圆珠笔
1. 圆珠笔
A ballpoint or a ballpoint pen is a pen with a very small metal ball at the end which transfers the ink from the pen onto a surface.
1. At first she only used ballpoint pens, but later used colored pens.
2. \u0064\u0061\u006E\u0063\u0069\u002E\u0039\u0031\u0031\u0063\u0068\u0061\u002E\u0063\u006F\u006D
2. She cut her scars with ballpoint pens, saying she wanted to " get the dirty stuff out of her blood ".
3. The project was initiated in response to calls in recent years for upgrades in the ability to make ballpoint pens.
noun
1. a pen that has a small metal ball as the point of transfer of ink to paper
Synonym: ballpoint pen ballpen Biro